Lua APA (7ú heag.)

Pfeffermann, G. P. (1988). Private business in developing countries: Improved prospects. World Bank.

Lua i Stíl Chicago (17ú heag.)

Pfeffermann, Guy Pierre. Private Business in Developing Countries: Improved Prospects. Washington, D.C: World Bank, 1988.

Lua MLA (9ú heag.)

Pfeffermann, Guy Pierre. Private Business in Developing Countries: Improved Prospects. World Bank, 1988.

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